1318891

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 16

約数和(自身を含む): 1598400

約数和(自身を除く): 279509

約数列:

[1, 7, 29, 73, 89, 203, 511, 623, 2117, 2581, 6497, 14819, 18067, 45479, 188413, 1318891]

約数ペア:

[(1, 1318891), (7, 188413), (29, 45479), (73, 18067), (89, 14819), (203, 6497), (511, 2581), (623, 2117)]